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Official data from INPI

FIO DE POLIÉSTER DE FILAMENTO CONTÍNUO.

PublicadaInvention Patent

Application data

Number

PI8702025

Type

Invention Patent

Filing

04/27/1987

Publication

02/09/1988

Progress at the INPI

  1. Filing04/27/87
  2. Publication02/09/88
  3. Examination08/28/90
  4. Allowance03/09/93
  5. Grant08/31/93
  6. Terminated12/31/96

The patent was granted on 08/31/1993 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT [US]

See this company's full portfolio

Inventors

G. V. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

857.279 · 04/30/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/09/1988

RPI 903

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Anuidade - prazo legal encerrado

#18.2

12/31/1996

RPI 1361

Concessão da patente

#16.1

08/31/1993

RPI 1187

Notificação para pagamento de retribuição

#13.1

06/29/1993

RPI 1178

Deferimento

#9.1

03/09/1993

RPI 1162

Solicitação de exame técnico

#4.1

08/28/1990

RPI 1030

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